var preview_on = false;
var preview_id = '';

function change_photo(flat,nophoto,spath) {
  document.getElementById("sphoto").src = '../images/'+spath+'/'+flat+nophoto+'.jpg';
  return true;
}

function showpreview(specid) {
  if (preview_on) hidepreview(preview_id);
  document.getElementById('preview_'+specid).style.display = 'block'; 
  preview_on = true; preview_id = specid;
}

function hidepreview(specid) { 
  prev = document.getElementById('preview_'+specid);
  prev.style.display = 'none'; prev.parentNode.removeChild(prev);
  preview_on = false; preview_id = '';
}

function photoprev(specid,itype) {
  var specprevimg = specialdat['_'+specid];
  previmg = (specprevimg=='00'?'images/nophoto.gif':'../images/special/preview/'+specid+specprevimg+'.jpg'); 
  document.getElementById('link_'+specid).innerHTML += '<div id="preview_'+specid+'" class="specprev">'+'<div class="close"><a href="" onclick="hidepreview(\''+specid+'\');return false" title="'+closetxt+'"><img src="../images/close.gif" width="10" height="10" alt="'+closetxt+'"></a></div>'+'<div class="prbody">'+'<div class="previmg"><a href="'+itype+'.php?'+specid+'"><img src="'+previmg+'" height="100" alt=""></a></div>'+'<div class="more"><a href="'+itype+'.php?'+specid+'" onclick="hidepreview(\''+specid+'\')">'+moretxt+'</a></div>'+'</div>'+'<div class="prbot"></div>'+'</div>';
  showpreview(specid);
}